Frequently asked questions

Freshwater Fish

Problematic fish stock / Can fry stay with their parents?

Hello, Concerning "young Burundis":I surmise in the following that they are Neolamprologus brichardi from Lake Tanganyika, which were/are sometimes sold as "Princess of Burundi"! Co...

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Freshwater Fish

Questions about stocking a new 200 liter aquarium

Hello, there are no objections against the species, however 8 Platies and Guppies each are rather a lot, and the livebearers will also multiply quickly within a short time. 2/3 are...

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Freshwater Care

Quick or slow water flow in the filter?

Hello, in fact, a cross of the two would be optimal. In case of high nitrate pollution, this can be achieved by a combination of a conventional "biofilter" (typically with flow...

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Freshwater Care

Raising the pH value while lowering the hardness at the same time

Hello, deionization with a reverse osmosis (R/O) or ion exchange system is recommended in this case. You can then adjust the desired total hardness with sera mineral salt, the KH...

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Freshwater

Replacing an aquarium with a bigger one

Hello, luckily, it is not that bad: Empty the old tank as far as possible, collect and keep the old water (!). Depending on the filter, operate it on a bucket of water as to...

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Freshwater

Rot zones in the bottom gravel

Hello, first of all, 15 trumpet snails would be very few - possibly there are many more of them in the aquarium without being noticed! Regardlessly, the rot zone should be checked...

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